1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Text;
  7 using System.Windows.Forms;
  8 
  9 namespace _D_rotation
 10 {
 11     public partial class Form1 : Form
 12     {
 13         Graphics ET;
 14         float[][] coordnew;
 15         float[][] coordtmp;
 16         float[][] coord;
 17         double gradus;
 18         int XYZ;
 19         public Form1()
 20         {
 21             XYZ = 1;
 22             gradus = 1;
 23             coordnew = new float[11][]
 24             {
 25                 new float[2],
 26                 new float[2],
 27                 new float[2],
 28                 new float[2],
 29                 new float[2],
 30                 new float[2],
 31                 new float[2],
 32                 new float[2],
 33                 new float[2],
 34                 new float[2],
 35                 new float[2],
 36 
 37             };
 38             coordtmp = new float[11][]
 39             {
 40                 new float[2],
 41                 new float[2],
 42                 new float[2],
 43                 new float[2],
 44                 new float[2],
 45                 new float[2],
 46                 new float[2],
 47                 new float[2],
 48                 new float[2],
 49                 new float[2],
 50                 new float[2],
 51 
 52             };
 53             coord = new float[11][] 
 54                 { 
 55                     new float[] {-100,100,100},
 56                     new float[] {100,100,100},
 57                     new float[] {100,-100,100},
 58                     new float[] {-100,-100,100},
 59                     new float[] {-100,100,-100},
 60                     new float[] {100,100,-100},
 61                     new float[] {100,-100,-100},
 62                     new float[] {-100,-100,-100},
 63                     new float[] {150,0,0},
 64                     new float[] {0,150,0},
 65                     new float[] {0,0,150},
 66                 };
 67             InitializeComponent();
 68         }
 69 
 70         void paint(Graphics e, float [][] newmas, Color col)
 71         {
 72             Pen pen = new Pen (col);
 73             for (int i = 0; i < 4; i++)
 74             {
 75                 if (i + 1 != 4)
 76                     e.DrawLine(pen, newmas[i][0], newmas[i][1], newmas[i + 1][0], newmas[i + 1][1]);
 77                 else
 78                     e.DrawLine(pen, newmas[3][0], newmas[3][1], newmas[0][0], newmas[0][1]);
 79 
 80             }
 81             for (int i = 4; i < 8; i++)
 82             {
 83                 if (i + 1 != 8)
 84                     e.DrawLine(pen, newmas[i][0], newmas[i][1], newmas[i + 1][0], newmas[i + 1][1]);
 85                 else
 86                     e.DrawLine(pen, newmas[7][0], newmas[7][1], newmas[4][0], newmas[4][1]);
 87             }
 88             e.DrawLine (pen,newmas[0][0],newmas [0][1],newmas [4][0],newmas [4][1]);
 89             e.DrawLine (pen,newmas[1][0],newmas [1][1],newmas [5][0],newmas [5][1]);
 90             e.DrawLine (pen,newmas[2][0],newmas [2][1],newmas [6][0],newmas [6][1]);
 91             e.DrawLine (pen,newmas[3][0],newmas [3][1],newmas [7][0],newmas [7][1]);
 92             if(col != Color.White)
 93               pen.Color = Color.Red;
 94             e.DrawLine(pen, 0, 0, newmas[8][0], newmas[8][1]);
 95             if (col != Color.White)
 96                 pen.Color = Color.Blue;
 97             e.DrawLine(pen, 0, 0, newmas[9][0], newmas[9][1]);
 98             if (col != Color.White)
 99                 pen.Color = Color.Green;
100             e.DrawLine(pen, 0, 0, newmas[10][0], newmas[10][1]);
101         }
102 
103         void rotation(float[][] coord, double theta, int e)
104         {
105             float[][] tmpcoord = new float[11][] 
106                 { 
107                     new float[3], 
108                     new float[3],
109                     new float[3],
110                     new float[3],
111                     new float[3],
112                     new float[3],
113                     new float[3],
114                     new float[3],
115                     new float[3],
116                     new float[3],
117                     new float[3],
118                 };
119             switch (e)
120             {
121                 case 1:
122                     {
123                         for (int i = 0; i < 11; i++)
124                         {
125                             tmpcoord[i][0] = coord[i][0];
126                             tmpcoord[i][1] = coord[i][1] * (float)Math.Cos(theta) - coord[i][2] * (float)Math.Sin(theta);
127                             tmpcoord[i][2] = coord[i][1] * (float)Math.Sin(theta) + coord[i][2] * (float)Math.Cos(theta);
128                         }
129                         break;
130                     }
131                 case 2:
132                     {
133                         for (int i = 0; i < 11; i++)
134                         {
135                         tmpcoord[i][0] = coord[i][0] * (float)Math.Cos(theta) + coord[i][2] * (float)Math.Sin(theta);
136                         tmpcoord[i][1] = coord[i][1];
137                         tmpcoord[i][2] = - coord[i][0] * (float)Math.Sin(theta) + coord[i][2] * (float)Math.Cos(theta);
138                         }
139                         break;
140                     }
141                  case 3:
142                     {
143                         for (int i = 0; i < 11; i++)
144                         {
145                         tmpcoord[i][0] = coord[i][0] * (float)Math.Cos(theta) - coord[i][1] * (float)Math.Sin(theta);
146                         tmpcoord[i][1] = coord[i][0] * (float)Math.Sin(theta) + coord[i][1] * (float)Math.Cos(theta);
147                         tmpcoord[i][2] = coord[i][2];
148                         }
149                         break;
150                     }
151             }
152             for (int i = 0; i < 11; i++)
153             {
154                 coord[i][0] = tmpcoord[i][0];
155                 coord[i][1] = tmpcoord[i][1];
156                 coord[i][2] = tmpcoord[i][2];
157             }
158         }
159 
160         private void button1_Click(object sender, EventArgs e)
161         {
162             if (timer1.Enabled == true)
163             {
164                 button1.Text = "Запустить";
165                 timer1.Enabled = false;
166             }
167             else
168             {
169                 button1.Text = "Пауза";
170                 timer1.Enabled = true;
171             }
172         }
173 
174         private void Form1_Shown(object sender, EventArgs e)
175         {
176             Color col = Color .Black;
177             ET = panel1.CreateGraphics();
178             ET.TranslateTransform(300, 300);
179             paint(ET, coordnew, col);
180         }
181 
182         private void timer1_Tick(object sender, EventArgs e)
183         {
184             Color col;
185             double radian = gradus * Math.PI / 180;
186             rotation(coord, radian, XYZ);
187             for (int i = 0; i < 11; i++)
188             {
189                 radian = 0 * Math.PI / 180;
190                 //поворот плоскости OXY
191                 coordtmp[i][0] = coordnew[i][0];
192                 coordtmp[i][1] = coordnew[i][1];
193                 coordnew[i][0] = coord[i][0] * (float)Math.Cos(radian) - coord[i][1] * (float)Math.Sin(radian);
194                 coordnew[i][1] = coord[i][0] * (float)Math.Sin(radian) + coord[i][1] * (float)Math.Cos(radian);
195 
196                 //поворот плоскости OYZ
197                 coordnew[i][1] = coordnew[i][1] * (float)Math.Cos(radian) - coord[i][2] * (float)Math.Sin(radian);
198 
199             }
200 
201             col = Color.White;
202             paint(ET, coordtmp, col);
203             col = Color.Black;
204             paint(ET, coordnew, col);
205         }
206 
207         private void radioButton2_CheckedChanged(object sender, EventArgs e)
208         {
209             if (radioButton2.Checked == true)
210                 XYZ = 2;
211         }
212 
213         private void radioButton3_CheckedChanged(object sender, EventArgs e)
214         {
215             if (radioButton3.Checked == true)
216                 XYZ = 3;
217         }
218 
219         private void radioButton1_CheckedChanged(object sender, EventArgs e)
220         {
221             if (radioButton1.Checked == true)
222                 XYZ = 1;
223         }
224     }
225 }